The
pcibios_write_config_byte
function writes one byte to the configuration space of the PCI bus. The
bus can be specified with the
bus
parameters. The
device_fn
paramter determines which ? to use.
where
is set to the ?. The byte to be written to the configuration space is
stored in the
value
parameter.
RETURN VALUE
The return value is taken from the PCI controller in a way that I'm
not quite sure of.
If the PCI system is unavailable, PCIBIOS_FUNC_NOT_SUPPORTED is
returned.
